CN106628071B - A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture - Google Patents
A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture Download PDFInfo
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- CN106628071B CN106628071B CN201611105176.9A CN201611105176A CN106628071B CN 106628071 B CN106628071 B CN 106628071B CN 201611105176 A CN201611105176 A CN 201611105176A CN 106628071 B CN106628071 B CN 106628071B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G6/00—Laying of mines or depth charges; Vessels characterised thereby
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Abstract
A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture, are related to submarine launched missile underwater emission technical field；Including sail body head, sail body cylinder and End-Management rudder face；Wherein, sail body cylinder is slender cylinder structure, and sail body head is fixedly mounted on the top of sail body cylinder；End-Management rudder face is fixedly mounted on the bottom of sail body cylinder perpendicular to the axis direction of sail body cylinder；Sail body includes two End-Management rudder faces；Two End-Management rudder faces are symmetrically mounted on the two sides of sail body cylinder；And two End-Management rudder faces are located at the both ends of the radial diameter of sail body cylinder；Provide it is a kind of can both avoid across water air interface bubble collapse bring shock loading, while adjusting tail portion angle of rudder reflection to control the hydrodynamic force placement scheme of exceeding water gesture.
Description
Technical field
The present invention relates to a kind of submarine launched missile underwater emission technical field, especially a kind of suppression cavitation and control water outlet appearance
The navigation body device of state.
Background technique
Since submarine launched missile is sufficiently complex from cylinder out to the gentle dynamic phenomenon of hydrodynamic force during water outlet, show high dynamic
The features such as pressure, unsteady, multiphase flow and strong nonlinearity.It is influenced by many factors such as ocean current sea situations, the water of submarine launched missile is hit by a bullet
Relatively be hard to keep stabilization in road, and current engineering method is that submarine launched missile underwater trajectories and posture are constrained using cavitation external form.
Cavitation phenomena be that one kind for generating around underwater high-speed navigation body is distinctive, it is strong unsteady, non-linear to have and
The complicated physical phenomena of randomness.When sail body high-speed motion under water, the fluid pressure near surface will reduce, certain
The hydrostatic at a little positions can be further decreased because of detour flow.When the hydrostatic at these positions is lower than saturated vapor pressure, liquid
Molecule overflowing liquid surface and become gas molecule, while original very little bubble will also expand rapidly inside water body, in water
The obvious bubble containing water vapour and other gases is formed, makes flow field that gas-vapour-liquid Three-phase Flow locally be presented, this just indicates
Vacuole (change) phenomenon has occurred in flow field.When submarine launched missile passes through the water surface, caused by this abrupt change as Media density
Bubble collapse phenomenon will cause very big dynamic loading, in some instances it may even be possible to body be made to fracture after water outlet.
In order to ensure that submarine launched missile is discharged safely, using suppression cavitation head dummy, but this gives submarine launched missile underwater navigation appearance
State stability brings difficulty, and equal pressure gas underwater emission is a kind of alternative solution, but it is very big to press the determination of exhaust parameter to have
Difficulty, it will usually the problems such as bringing reverse irrigation of the seawater to gas vent.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, a kind of suppression cavitation and control exceeding water gesture are provided
Navigation body device, provide it is a kind of can both avoid across water air interface bubble collapse bring shock loading, while adjusting tail
Portion's angle of rudder reflection controls the hydrodynamic force placement scheme of exceeding water gesture.
Above-mentioned purpose of the invention is achieved by following technical solution:
A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture, including sail body head, sail body cylinder and tail
Portion controls rudder face；Wherein, sail body cylinder is slender cylinder structure, and sail body head is fixedly mounted on the top of sail body cylinder
Portion；End-Management rudder face is fixedly mounted on the bottom of sail body cylinder perpendicular to the axis direction of sail body cylinder.
In a kind of above-mentioned suppression cavitation and control the navigation body device of exceeding water gesture, a length of 3- of sail body cylinder
14m；Diameter is 0.25-2m.
In a kind of above-mentioned suppression cavitation and the navigation body device of exceeding water gesture is controlled, the sail body head is that tack is justified
Arc mesa-shaped structure；Sail body head top and bottom are circular horizontal platform, and top is path horizontal platform, and bottom is that major diameter is horizontal
Platform；Top path horizontal platform level is coaxially located at the top of bottom major diameter horizontal platform；Bottom major diameter horizontal platform and sail body cylinder
One end be fixedly and coaxially connected.
In a kind of above-mentioned suppression cavitation and the navigation body device of exceeding water gesture is controlled, the top on the sail body head is small
The radius of diameter horizontal platform is 0.1-0.6 times of sail body cylinder radius.
In a kind of upper ※ suppression cavitation stated and the navigation body device of exceeding water gesture is controlled, the sail body head top is small
Diameter horizontal platform is connected with bottom major diameter horizontal platform outer edge by smooth curve, the span of curve, i.e. the top horizontal edge of table of path
Less than 0.1 times sail body total length of horizontal space of edge and the horizontal edge of table of bottom major diameter.
In a kind of above-mentioned suppression cavitation and the navigation body device of exceeding water gesture is controlled, the sail body includes two tail portions
Control rudder face；Two End-Management rudder faces are symmetrically mounted on the two sides of sail body cylinder；And two End-Management rudder faces are located at boat
The both ends of the radial diameter of row scapus body.
In a kind of above-mentioned suppression cavitation and control the navigation body device of exceeding water gesture, the fixed peace of the End-Management rudder face
Mounted in the position apart from the 0.05-0.1 times of sail body overall length in sail body cylinder bottom surface.
In a kind of above-mentioned suppression cavitation and the navigation body device of exceeding water gesture is controlled, the End-Management rudder face is rectangular
Body structure, the sail body cylinder radius that length L1 is 1-3 times；Width L2 is 0.6-1.5 times of sail body cylinder radius；Height L3 is
0.05-0.1 times of sail body cylinder radius；End-Management rudder face is connect with sail body cylinder rudder face by rudderpost.
The invention has the following advantages over the prior art:
(1) present invention employs suppression cavitation head dummys, avoid active vacuole head dummy sail body when across water air interface
Bubble collapse and the shock loading generated ensure that the structure safety of sail body；
(2) present invention installs control rudder face in sail body tail portion and controls the hydrodynamic(al) position of sail body by adjusting rudder face angle
Power and torque are set, posture in water is adjusted, is avoided using inwelling problem caused by pressure exhaust mode；
(3) hydrodynamic force layout of the present invention is simple, it is only necessary to rudder face is disposed in tail portion, it is low to emission parameter dependency degree, and it reduces
Emit difficulty.
Detailed description of the invention
Fig. 1 is that sail body hydrodynamic(al) of the present invention is laid out appearance schematic diagram；
Fig. 2 is that sail body hydrodynamic(al) of the present invention is laid out top view；
Fig. 3 is 0.1 sail body bus pressure coefficient of cavitation number of the present invention；
Fig. 4 is that sail body tail portion of the present invention disposes rudder face and do not install the disparity map of rudder face water outlet pitch angle.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments:
From Hot Separation of Vertical Underwater Launched sail body suppression cavitation head dummy design method, compatible suppression cavitation and water outlet appearance are constructed
The hydrodynamic force layout of state control, has obtained a kind of head dummy that vacuole is just generated under the conditions of lower cavitation number, while in sail body
Rudder face is arranged to adjust underwater navigation position power in tail portion.The present invention provides it is a kind of can both avoid across water air interface vacuole burst
It goes out and brings shock loading, while adjusting tail portion angle of rudder reflection to control the hydrodynamic force placement scheme of exceeding water gesture.
The present invention designs the lesser head molded line of cavitation inception number, in tail portion from the influence factor of cavitation inception number
Install rudder face control sail body hydrodynamic force and torque adjustment navigation posture, try hard to obtain take into account across water air interface low load with compared with
The hydrodynamic(al) of small water outlet pitch angle is laid out sail body.
The technical solution of the invention is as follows:
According to the influence factor of cavitation inception number, tack streamlined head configuration is designed, means are calculated according to numerical value and are obtained
To cavitation inception number, the validity of shape line is verified in turn.After having designed head configuration, two are disposed in sail body tail end
Rudder, according to navigation attitude regulation angle of rudder reflection degree, calculates means according to numerical value and calculates navigation body position power and power in being symmetrically installed
Square, and ballistic data is obtained, judge to be discharged pitch angle.
It is laid out appearance schematic diagram for sail body hydrodynamic(al) as shown in Figure 1, as seen from the figure, a kind of suppression cavitation and control water outlet appearance
The navigation body device of state, it is characterised in that: including sail body head 1, sail body cylinder 2 and End-Management rudder face 3；Wherein, it navigates
Row scapus body 2 is slender cylinder structure, sail body cylinder 2 a length of 3-14m, diameter 0.25-2m；Sail body head 1 is fixed
It is mounted on the top of sail body cylinder 2, sail body head 1 is tack circular arc mesa-shaped structure；1 top and bottom of sail body head are
For circular horizontal platform, top is path horizontal platform, and the radius of the top path horizontal platform on sail body head 1 is sail body cylinder 2
0.1-0.6 times of radius；Bottom is major diameter horizontal platform；Top path horizontal platform level is coaxially located at the upper of bottom major diameter horizontal platform
Portion；Bottom major diameter horizontal platform and one end of sail body cylinder 2 are fixedly and coaxially connected；End-Management rudder face 3 is perpendicular to navigation scapus
The axis direction of body 2 is fixedly mounted on the bottom of sail body cylinder 2.
1 top path horizontal platform of sail body head is connected with bottom major diameter horizontal platform outer edge by smooth curve, curve
Span, i.e., top the horizontal edge of table of path and the horizontal edge of table of bottom major diameter less than 0.1 times sail body overall length of horizontal space
Degree.
Sail body includes two End-Management rudder faces 3 altogether；Two End-Management rudder faces 3 are symmetrically mounted on sail body cylinder 2
Two sides；And two End-Management rudder faces 3 are located at the both ends of the radial diameter of sail body cylinder 2, two End-Management rudder faces 3 are solid
Dingan County is mounted in the position apart from the 0.05-0.1 times of sail body overall length in 2 bottom surface of sail body cylinder；End-Management rudder face 3 is cuboid knot
Structure, 2 radius of sail body cylinder that length L1 is 1-3 times；Width L2 is 0.6-1.5 times of 2 radius of sail body cylinder；Height L3 is
0.05-0.1 times of 2 radius of sail body cylinder；End-Management rudder face 3 is connect with 2 rudder face of sail body cylinder by rudderpost.
Fig. 3 show pressure coefficient distribution of layout under the conditions of cavitation number 0.1, it can be seen that streamlined head dummy cavitation
Area is very small.Case1 shown in Fig. 4 be do not add rudder face sail body be discharged pitch angle at any time course change, case2 be and addition
Rudder face sail body is discharged pitch angle, and course changes at any time.It can be seen that being discharged completely after sail body tail portion addition rudder face in 1.2s
When pitch angle be about the 1/3 of case1.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (6)
1. a kind of suppression cavitation and the navigation body device for controlling exceeding water gesture, it is characterised in that: including sail body head (1), boat
Row scapus body (2) and End-Management rudder face (3)；Wherein, sail body cylinder (2) is slender cylinder structure, sail body head (1)
It is fixedly mounted on the top of sail body cylinder (2)；End-Management rudder face (3) perpendicular to sail body cylinder (2) axis direction, Gu
Dingan County is mounted in the bottom of sail body cylinder (2)；The sail body head (1) is tack circular arc mesa-shaped structure；Sail body head (1)
Top and bottom are circular horizontal platform, and top is path horizontal platform, and bottom is major diameter horizontal platform；Top path horizontal platform is horizontal
It is coaxially located at the top of bottom major diameter horizontal platform；Bottom major diameter horizontal platform and one end of sail body cylinder (2) are fixedly and coaxially connected；
The radius of the top path horizontal platform of the sail body head (1) is 0.1-0.6 times of sail body cylinder (2) radius.
2. a kind of suppression cavitation according to claim 1 and the navigation body device for controlling exceeding water gesture, it is characterised in that: institute
State sail body cylinder (2) a length of 3-14m；Diameter is 0.25-2m.
3. a kind of suppression cavitation according to claim 2 and the navigation body device for controlling exceeding water gesture, it is characterised in that: institute
Path horizontal platform at the top of sail body head (1) is stated to connect with bottom major diameter horizontal platform outer edge by smooth curve, curve across
Degree, i.e. less than 0.1 times sail body total length of horizontal space of the top horizontal edge of table of path and the horizontal edge of table of bottom major diameter.
4. a kind of suppression cavitation according to claim 1 and the navigation body device for controlling exceeding water gesture, it is characterised in that: institute
Stating sail body includes two End-Management rudder faces (3)；Two End-Management rudder faces (3) are symmetrically mounted on sail body cylinder (2)
Two sides；And two End-Management rudder faces (3) are located at the both ends of the radial diameter of sail body cylinder (2).
5. a kind of suppression cavitation according to claim 1 and the navigation body device for controlling exceeding water gesture, it is characterised in that: institute
It states End-Management rudder face (3) and is fixedly mounted on position apart from the 0.05-0.1 times of sail body overall length in sail body cylinder (2) bottom surface.
6. a kind of suppression cavitation according to claim 4 and the navigation body device for controlling exceeding water gesture, it is characterised in that: institute
Stating End-Management rudder face (3) is rectangular parallelepiped structure, sail body cylinder (2) radius that length L1 is 1-3 times；Width L2 is 0.6-
1.5 times of sail body cylinder (2) radiuses；Height L3 is 0.05-0.1 times of sail body cylinder (2) radius；End-Management rudder face (3) with
Sail body cylinder (2) rudder face is connected by rudderpost.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105176.9A CN106628071B (en) | 2016-12-05 | 2016-12-05 | A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture |
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| CN201611105176.9A CN106628071B (en) | 2016-12-05 | 2016-12-05 | A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture |
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| Publication Number | Publication Date |
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| CN106628071A CN106628071A (en) | 2017-05-10 |
| CN106628071B true CN106628071B (en) | 2019-01-11 |
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| CN110053752A (en) * | 2019-05-13 | 2019-07-26 | 哈尔滨工程大学 | A kind of rudder face cavitation effect inhibition device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3327384A1 (en) * | 1983-07-29 | 1985-02-07 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | VISOR SYSTEM FOR A STEERING AIRCRAFT |
| DE3927724A1 (en) * | 1989-08-23 | 1993-02-25 | Nord Systemtechnik | Underwater missile esp. torpedo - has rotating and target-seeking components mounted in centre or nose with 36 deg. coverage of targets recognised by successive scanning during contra-rotation |
| JP2852413B2 (en) * | 1996-05-14 | 1999-02-03 | 防衛庁技術研究本部長 | Flying object |
| US6286410B1 (en) * | 1999-05-10 | 2001-09-11 | The United States Of Americas As Represented By The Secretary Of The Navy | Buoyantly propelled submerged canister for air vehicle launch |
| CN105698615B (en) * | 2016-01-26 | 2017-06-13 | 中国船舶重工集团公司第七一〇研究所 | A kind of adaptation housing for the transmitting of small-bore warhead |
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